Annotation of loncom/homework/essayresponse.pm, revision 1.18
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
1.5 albertel 3: #
1.18 ! www 4: # $Id: essayresponse.pm,v 1.17 2003/01/22 17:29:21 www Exp $
1.5 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28: # 4/3 Guy
1.10 ng 29: # July, 2002, H. K. Ng
30: #
1.1 albertel 31: package Apache::essayresponse;
32: use strict;
1.16 sakharuk 33: use Apache::lonxml;
1.1 albertel 34:
1.6 harris41 35: BEGIN {
1.10 ng 36: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1 albertel 37: }
38:
39: sub start_essayresponse {
1.10 ng 40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
41: my $result;
1.14 albertel 42: my $id = &Apache::response::start_response($parstack,$safeeval);
43: if ($target eq 'meta') {
44: $result=&Apache::response::meta_package_write('essayresponse');
45: } elsif ($target eq 'web') {
1.10 ng 46: my $part= $Apache::inputtags::part;
47:
48: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
49: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.17 www 50: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
51: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
1.13 ng 52: $result='<br /><table border="1">';
1.10 ng 53: if ($ncol > 0) {
1.13 ng 54: $result .='<tr><td>'.
55: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
56: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10 ng 57: '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
58: 'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
59: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13 ng 60: $result .='</td></tr>';
1.10 ng 61: }
1.17 www 62: if ($uploadedfiletypes) {
63: $result.=
64: '<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
65: $part.'_'.$id.'" value="'.$uploadedfile.'" onChange="this.form.enctype='.
66: "'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />(Hand in a file you have prepared on your computer)</td></tr>';
67: }
1.13 ng 68: $result.='<tr><td>'.
69: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
70: ' Submit text below as answer to receive credit <br />'.
71: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
72: ' Save text below as a draft answer (not submitting it for credit yet) '.
73: '</td></tr></table>';
1.10 ng 74: }
75: return $result;
1.1 albertel 76: }
77:
78: sub end_essayresponse {
1.10 ng 79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13 ng 80: my $part = $Apache::inputtags::part;
1.14 albertel 81: my $id = $Apache::inputtags::response[-1];
1.15 albertel 82: my $result;
1.10 ng 83: if ( $target eq 'grade' ) {
1.14 albertel 84: my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
85: if ($collaborators =~ /[^\s]/) {
86: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
87: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
88: if ($collaborators ne $previous_list);
89: }
1.10 ng 90: if ( defined $ENV{'form.submitted'}) {
91: my $response = $ENV{'form.HWVAL'.$id};
92: if ( $response =~ /[^\s]/) {
1.14 albertel 93: my $award;
94: if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
95: $award='SUBMITTED';
96: } else {
97: $award='DRAFT';
98: }
1.10 ng 99: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14 albertel 100: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10 ng 101: my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.14 albertel 102: &Apache::response::handle_previous(\%previous,$award);
1.10 ng 103: }
104: }
1.15 albertel 105: } elsif ($target eq 'edit') {
106: $result.=&Apache::edit::end_table();
1.16 sakharuk 107: } elsif ($target eq 'tex') {
108: if ($Apache::lonhomework::type eq 'exam') {
109: $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
110: &Apache::lonxml::increment_counter();
1.18 ! www 111: $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm \end{enumerate}';
1.16 sakharuk 112: &Apache::lonxml::increment_counter();
113: }
1.10 ng 114: }
1.11 ng 115:
1.10 ng 116: &Apache::response::end_response;
1.15 albertel 117: return $result;
1.10 ng 118: }
119:
120: sub check_collaborators {
1.11 ng 121: my ($ncol,$coll) = @_;
1.10 ng 122: my %classlist=&Apache::lonnet::dump('classlist',
123: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
124: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
125: my (@badcollaborators,$result);
126: my (@collaborators) = split(/\,?\s+/,$coll);
127: foreach (@collaborators) {
128: my $collaborator = $_;
129: if (/@/) {
130: $collaborator =~ s/@/:/;
131: } else {
132: $collaborator = $_.':'.$ENV{'user.domain'};
133: }
134: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
135: }
136:
137: if (scalar(@badcollaborators)) {
1.11 ng 138: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
139: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
140: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10 ng 141: }
142: my $toomany = scalar(@collaborators) - $ncol;
143: if ($toomany > 0) {
144: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
145: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
146: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
147: }
148: return $result;
1.1 albertel 149: }
1.2 albertel 150:
151: 1;
152: __END__
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